Home / 910,235.66-1,256,122.62-502,334.54

Finding the Fourth Proportional to 910,235.66, 1,256,122.62 and 502,334.54

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Solution

The fourth proportional to 910,235.66, 1,256,122.62 and 502,334.54 is: 693,220.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,235.66 : 1,256,122.62 = 502,334.54 : x
  2. Step 2: Convert to fraction form
    910,235.66/1,256,122.62 = 502,334.54/x
  3. Step 3: Cross multiply
    910,235.66x = 1,256,122.62 × 502,334.54
  4. Step 4: Simplify right side
    910,235.66x = 630,993,772,220.68
  5. Step 5: Solve for x
    x = 630,993,772,220.68/910,235.66
  6. Step 6: Final answer
    x = 693,220.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.